<script setup lang="ts">
import { ref } from "vue";
import { BannerItem } from "../APi/types";

const activeIndex = ref(0);
// swiper 轮播图滑动的时候触发
const onchange = (ev: { detail: { current: number } }) => {
  activeIndex.value = ev.detail.current;
};



const props = defineProps<{
  list:BannerItem[]
}>()

</script>

<template>
  <view class="carousel">
    <swiper
      :circular="true"
      :autoplay="false"
      s
      :interval="3000"
      @change="onchange"
    >
      <swiper-item v-for="item in  list" :key="item.id"> 
        <navigator
          url="/pages/index/index"
          hover-class="none"
          class="navigator"
        >
          <image
            mode="aspectFill"
            class="image"
            :src="item.imgUrl"
          ></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 指示点 -->
    <view class="indicator">
      <text
        v-for="(item, index) in list"
        :key="item.id"
        class="dot"
        :class="{ active: index === activeIndex }"
      ></text>
    </view>
  </view>
</template>

<style lang="scss">
/* 轮播图 */
.carousel {
  height: 262rpx;
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  background-color: #efefef;
  .indicator {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16rpx;
    display: flex;
    justify-content: center;
    .dot {
      width: 30rpx;
      height: 6rpx;
      margin: 0 8rpx;
      border-radius: 6rpx;
      background-color: rgba(255, 255, 255, 0.4);
    }
    .active {
      background-color: #fff;
    }
  }
  .navigator,
  .image {
    width: 100%;
    height: 100%;
  }
}
</style>
